US8835018B2ActiveUtilityA1

Organic compound, anthracene derivative, and light-emitting element, light-emitting device, and electronic device in which the anthracene derivative is used

Assignee: KAWAKAMI SACHIKOPriority: Apr 25, 2007Filed: Mar 25, 2008Granted: Sep 16, 2014
Est. expiryApr 25, 2027(~0.8 yrs left)· nominal 20-yr term from priority
H05B 33/14C07D 209/86C09K 11/06C09K 2211/1014C09K 2211/1007C09K 2211/1029Y10S428/917C09K 2211/1011H10K 85/633C09K 11/07C07C 15/28H10K 50/00C07D 209/82H10K 85/6572H10K 71/164H10K 85/615H10K 85/636H10K 59/12H10K 50/11Y02B20/00H01L 51/0061H01L 51/006H01L 51/0072H01L 51/5012
81
PatentIndex Score
5
Cited by
31
References
15
Claims

Abstract

An anthracene derivative represented by a general formula (1) and an organic compound represented by a general formula (8) are provided. Further, by use of the anthracene derivative represented by the general formula (1), a light-emitting element with high emission efficiency can be obtained. Furthermore, by use of the anthracene derivative represented by the general formula (1), a light-emitting element that emits blue light with high color purity can be obtained.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
       1. An anthracene derivative represented by a general formula (1), 
       
         
           
           
               
               
           
         
         wherein Ar 1  is a phenyl group, 
         wherein Ar 2  is represented by a structure (Ar-18) or (Ar-19), 
       
       
         
           
           
               
               
           
         
         wherein α and β each represent a phenylene group, 
         wherein R 1  represents an alkyl group having 1 to 4 carbon atoms or a substituted or unsubstituted aryl group having 6 to 25 carbon atoms, 
         wherein R 2  represents one of hydrogen, an alkyl group having 1 to 4 carbon atoms, a substituted or unsubstituted aryl group having 6 to 25 carbon atoms, a halogen group, and a haloalkyl group, and 
         wherein R 11  to R 18  each represent hydrogen or an alkyl group having 1 to 4 carbon atoms. 
       
     
     
       2. A light-emitting element comprising a light-emitting layer between a pair of electrodes,
 wherein the light-emitting layer includes the anthracene derivative according to  claim 1 . 
 
     
     
       3. A light-emitting device comprising the light-emitting element according to  claim 2  and a control circuit configured to control light emission from the light-emitting element. 
     
     
       4. The anthracene derivative according to  claim 1 , wherein the anthracene derivative is represented by a structural formula (108), 
       
         
           
           
               
               
           
         
       
     
     
       5. The anthracene derivative according to  claim 1 , wherein the anthracene derivative is represented by a structural formula (109), 
       
         
           
           
               
               
           
         
       
     
     
       6. An anthracene derivative represented by a general formula (6), 
       
         
           
           
               
               
           
         
         wherein R 1  represents an alkyl group having 1 to 4 carbon atoms or a substituted or unsubstituted aryl group having 6 to 25 carbon atoms, 
         wherein R 2  represents one of hydrogen, an alkyl group having 1 to 4 carbon atoms, a substituted or unsubstituted aryl group having 6 to 25 carbon atoms, a halogen group, and a haloalkyl group, 
         wherein R 3  to R 7  each represent one of hydrogen, an alkyl group having 1 to 4 carbon atoms, a halogen group, and a haloalkyl group, 
         wherein R 11  to R 18  each represent hydrogen or an alkyl group having 1 to 4 carbon atoms, and 
         wherein R 19  to R 27  each represent one of hydrogen, an alkyl group having 1 to 4carbon atoms, and an alkoxy group having 1 to 4 carbon atoms. 
       
     
     
       7. The anthracene derivative according to  claim 6 , wherein the anthracene derivative is represented by a structural formula (100), 
       
         
           
           
               
               
           
         
       
     
     
       8. A light-emitting element comprising a light-emitting layer between a pair of electrodes,
 wherein the light-emitting layer includes the organic compound represented by a general formula (8), 
 
       
         
           
           
               
               
           
         
         wherein Ar 2  represents a substituted or unsubstituted aryl group having 6 to 25 carbon atoms, 
         wherein β represents a substituted or unsubstituted arylene group having 6 to 25carbon atoms, 
         wherein R 1  represents an alkyl group having 1 to 4 carbon atoms or a substituted or unsubstituted aryl group having 6 to 25 carbon atoms, and 
         wherein R 2  represents one of hydrogen, an alkyl group having 1 to 4 carbon atoms, an unsubstituted aryl group having 6 to 25 carbon atoms, a halogen group, and a haloalkyl group. 
       
     
     
       9. A light-emitting device comprising the light-emitting element according to  claim 8  and a control circuit configured to control light emission from the light-emitting element. 
     
     
       10. An anthracene derivative represented by a general formula (1), 
       
         
           
           
               
               
           
         
         wherein Ar 1  and Ar 2  each represent a phenyl group, 
         wherein α represents a phenylene group, 
         wherein β is represented by one of the structures (β-1), (β-2), or (β-10), 
       
       
         
           
           
               
               
           
         
         wherein R 1  is represented by one of the structures (R1-9), (R1-15), (R1-16), or (R1-17), 
       
       
         
           
           
               
               
           
         
         wherein R 2  represents one of hydrogen, an alkyl group having 1 to 4 carbon atoms, a substituted or unsubstituted aryl group having 6 to 25 carbon atoms, a halogen group, and a haloalkyl group, and 
         wherein R 11  to R 18  each represent hydrogen or an alkyl group having 1 to 4 carbon atoms. 
       
     
     
       11. The anthracene derivative according to  claim 10 , wherein the anthracene derivative is represented by a structural formula (140), 
       
         
           
           
               
               
           
         
       
     
     
       12. The anthracene derivative according to  claim 10 , wherein the anthracene derivative is represented by a structural formula (141), 
       
         
           
           
               
               
           
         
       
     
     
       13. The anthracene derivative according to  claim 10 , wherein the anthracene derivative is represented by a structural formula (142), 
       
         
           
           
               
               
           
         
       
     
     
       14. The anthracene derivative according to  claim 10 , wherein the anthracene derivative is represented by a structural formula (154), 
       
         
           
           
               
               
           
         
       
     
     
       15. The anthracene derivative according to  claim 10 , wherein the anthracene derivative is represented by a structural formula (156),

Join the waitlist — get patent alerts

Track US8835018B2 — get alerts on status changes and closely related new filings.

We store only your email — no account needed. See our privacy policy.